Katia, 17, spends her days with her boyfriend, Andrea, both living as outcasts, with few friends and little social interaction. Apathy rules their lives. When she's not having sex with Andrea in an abandoned shed, she sees other boys, watches illicit videos on the Internet and fights with her parents. Frustrated with the monotony of small town life, Katia nurses an angst that grows more severe. She drags Andrea with her into a tunnel of immorality and transgression.

Francesco and Elena, Roberto and Flavia, Thomas and Virginia, make up a fixed and tight-knit company for three years now, they are all living in Rome and come from good families. Elena and Francesco are two twenty-five and to be married, Roberto and Flavia are twenty years and in love with the impetus of youth; Tommaso and Virginia are two singles that have in common the fact that they feel out of lace in the world. The union of these characters will be shocked by the death of Francesco as a result of a car accident, the loss of his friend upset the lives of everyone.

Second part of the film "Sorry if I love you". Alex (Raoul Bova) and Niki (Michela Quattrociocche) are more in love than ever. They have just returned from the lighthouse on the island Blu where they have lived unforgettable days. Niki returns to see his friends, but a number of important changes in their lives will test the friendship of the girls. Alex also resume life with his old friends. All of them, Flavio, Enrico and Pietro, are no longer serene and safe husbands due to certain difficulties that have compromised their marriages.

Alex Belli is a 37 year old advertising executive whose fiancée Elena has just left him, and who is having difficulty at work trying to think of a good advertising campaign for a new Japanese product. Niki is a bubbly 17 year old student. She has three best friends with whom she shares all her problems, and an annoying ex-boyfriend Fabio who is set on getting her back, but Niki's not interested. One day on his way to work, Alex collides with Niki on a city street. They soon begin a romance, despite their 20-year age gap.